| upper motor neuron |
refers to the nerve cell that starts in the cerebral cortex, winds its way down through the brain and then into the spinal cord and that carries information about movement to the lower motor neuron. Damage to the upper motor neuron results in spasticity and deep tendon flexes (like the knee jerk) that are too brisk, while damage to the lower motor neurons results in weakness and decreased reflexes.
출처: www.rettsyndrome.org/digests/00008.htm
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| upper airway obstruction |
ABBR: UAO. Any potentially life-threatening abnormality in which the flow of air into and out of the lungs is partially or completely blocked by such conditions as laryngeal swelling, foreign bodies, or angioedema. SEE:
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| upper airway resistance syndrome |
ABBR: UARS. A type of sleep-disordered breathing, caused by increased airflow obstruction, in which a person awakens multiple times and then suffers daytime drowsiness or fatigue.
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| upper GI |
upper gastrointestinal.
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| upper motoneuron |
Upper motor neuron.
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| upper | infection of the upper respiratory tract |
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| upper | the nose and throat and trachea |
| upper | the highest or uppermost side of anything |
| upper | the side that is uppermost |
| upper | the basic unit of money in Burkina Faso |
| upper | one of the large alphabetic characters used as the first letter in proper names and sometimes for emphasis |
| upper | occupying the highest socioeconomic position in a society |
| upper | at an elevated level in rank or importance |
| upper | occupying the upper part of the lower class |
| upper | occupying the upper part of the middle socioeconomic range in a society |
| upper | a division of Normandy |
| upper | relating to capital letters which were kept in the top half of a compositor's type case |